<template>
  <div>
     <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
       <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
    <div id="main" style="width: 800px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
import echarts from 'echarts'
import _ from "lodash";
export default {
  data() {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created() {
    
  },
  async mounted() {
    var myChart = echarts.init(document.getElementById('main'));
    // 指定图表的配置项和数据
    const {data:res}=await this.$http.get('reports/type/1')
    if(res.meta.status!==200){
      return this.$message({
        type:"error",
        $message:'获取失败'
      })
    }
    // 使用刚指定的配置项和数据显示图表。
    const result = _.merge(res.data,this.options)
    myChart.setOption(result);
 },
}
</script>

<style>

</style>